Dough depressing means for mixing machines



Dec. 22', 1942. E, DUKE 2,306,245

DOUGH DEPRESSING MEANS FOR MIXING MACHINES Filed April 17, 1942 PatentedDec. 22, 1942 UNITED STATES PATENT OFFICE Edgar Duke, Idaho Falls, IdahoApplication April 17,

1942, Serial No. 439,407

3 Claims. (Cl. 259102) A well known type of mixing machine comhead inspaced relation with the axis of said head, and a mixing arm or stirrersecured to said shaft and disposed in said bowl. While the motor I, thehead is driven counter-clockwise and the shaft clockwise, as indicatedby the arrows in Fig. 1, so that while the mixing arm or stirrer I4 isbeing rotated, it is also carried along a circular path, all of which isconventional. With this conventional structure, the diffisuch a mixingmachine may be advantageously used for mixing more or less fluidcontents in the or stirrer Id.

wardly over the rim of the funnel-like portion I5, and this inwardlycreeping dough enters the aforesaid conical portion I 5 and crowdsaround the shaft I3. Not only is it later difficult to reascends, creepsover the rim of the usual funmove this dough, but in the meantime, ithas become blackened from oozing shaft lubricant and is unfit forfurther use.

To arrest and depress the dough ascending and crowds into same aroundthe shaft. Not only is troublesome to later dig out this dough, but ithas, in the meantime, become blackened from the inevitable oozing ofshaft lubricant and I6 which is provided with a substantially fiat is,therefore, unfit for use. My invention aims to l overcome thisdiificulty in a simple and effective manner.

With the foregoing in view, the invention resides in the novel subjectmatter hereinafter o push this dough down, thus overcoming the descrlbedand claimed, description being acoomplished by reference to theaccompanying drawing. rotating with the stirrer or the like I4 is beingIn the present disclosure, the paddle I6 is rigidly carried by an armI1, which arm is rigidly carried by a collar I8 secured around the bear-5 ing boss l2. The arm I1 extends outwardly lation with other parts.

Figure 2 is a side elevation of the paddle and its mounting meanslooking in a different direction from Fig. 1.

Figure 3 is a top plan view of the paddle and its mounting means.

In the drawing above briefly described, a mixcry of the conical portionI5 of the stirrer or mixing machine is shown comprising a base 5, a ingarm I4. The paddle will thus depress any standard 6 rising from saidbase, an electric motascending dough and will consequently overcome or Iand gear housing 8 mounted on said standthe difliculty above pointedout. ard, a mixing bowl 9 supported by vertically adn t e preferred formof COIlStYUctiOn, the justable arms Ill engaging the standard, a head II mounted at th underside of the gear box 8 projecting stud I9 offlat-sided form, said stud being received in a, socket 20 on the upperend of the arm I1. A suitable screw 2| is shown for spaced radially fromits axis of rotation, a verflck g he S et 29 11 1 the ud '9, d a t1calrotary shaft I 3 passing through and proother set screw 22 has beendisclosed for securjecting downwardly from said bearing boss, and a ingthe collar I8 to the bearing boss I2. I have mixing arm or stirrer I4within the bowl 9 and shown another socket 2Z3 on the lower end of thesecured to the shaft I3, said mixing arm or stirarm II. This socketreceives a shank 24 on the rer being provided w1th the usual insertedcone upper end of the paddle I6 which shank is locked I5 at its upperend. Due to the driving mechain said socket by a suitable screw or thelike 25. nism connecting the head II and shaft I3, with 5 By looseningthe set screw 2|, the arm l1 and having a downwardly projecting bearingboss I2 paddle 16 may be removed, for cleaning or when their use is notrequired.

From the foregoing, taken in connection with the accompanying drawing,it will be seen that novel and advantageous provision has been made forcarrying out the object of the invention. While preferred details havebeen disclosed, for use when adapting the invention to machines alreadyconstructed, it is to be understood that I am not restricted to theexact disclosure herein made, numerous variations being possible, withinthe scope of the invention as claimed.

I claim:

1. A depressing device for dough ascending in a mixing machine duringperformance of a mixing operation, said device comprising a horizontalcollar to surround 9. conventional boss of the machine. means forsecuring said collar in place, an arm secured to said collar andextending outwardly therefrom and then downwardly in an inclineddirection, and an inclined dough-depressing paddle secured at its upperend to the lower end of said arm.

2. A depressing device for dough ascending in a mixing machine duringperformance of a mixing operation, said device comprising a horizontalcollar to surround a conventional boss of the machine, said collarhaving a set screw for securing it in place, said collar being providedwith a radially projecting fiat-sided stud, an arm having a flat-sidedsocket at one end snugly receiving said fiat-sided stud, said socketbeing provided with a set screw for removably securing it upon saidstud, said arm extending substantially horizontally outward from saidcollar and having its outer end portion bent at an acute angle to itsinner end portion and declined from said inner end portion, the lowerend of said outer end portion of said arm being provided with a socket,an inclined dough-depressing paddle having an integral shank snuglyreceived in the last mentioned socket, and a screw securing this socketand shank together.

3. An improvement in a mixing machine of the type having a mixing bowl,a gear box overhanging said bowl, a rotatable head mounted at theunderside of said gear box and rotatable in one direction upon avertical axis, a vertical shaft carried by said head in radially spacedrelation with the axis thereof and rotatable reversely from said head,and a stirrer secured to said shaft said bowl, said stirrer having saidimprovement comprising an inclined paddle disposed at the periphery ofsaid inverted cone, said paddle having a substantially flat lower sidecooperable with the periphery of said inverted cone in providing adownwardly open corner to receive dough ascending around said invertedcone, said paddle being inclined in a direction to depress the doughreceived in said corner and an arm rigidly mounting said paddle, saidarm being secured to the upper end of said paddle and to said rotatablehead.

EDGAR DUKE.

